[INFO] updating cached repository grissiom/elfvars
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/grissiom/elfvars
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/grissiom/elfvars" "work/ex/beta-1.38-1/sources/1.37.0/gh/grissiom/elfvars"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/grissiom/elfvars'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/grissiom/elfvars" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grissiom/elfvars"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grissiom/elfvars'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12a72cecbb683bb8a379cbd63869dd715b179964
[INFO] sha for GitHub repo grissiom/elfvars: 12a72cecbb683bb8a379cbd63869dd715b179964
[INFO] validating manifest of grissiom/elfvars on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of grissiom/elfvars on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing grissiom/elfvars
[INFO] finished frobbing grissiom/elfvars
[INFO] frobbed toml for grissiom/elfvars written to work/ex/beta-1.38-1/sources/1.37.0/gh/grissiom/elfvars/Cargo.toml
[INFO] started frobbing grissiom/elfvars
[INFO] finished frobbing grissiom/elfvars
[INFO] frobbed toml for grissiom/elfvars written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/grissiom/elfvars/Cargo.toml
[INFO] crate grissiom/elfvars already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing grissiom/elfvars against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/grissiom/elfvars:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a3c432e10ff726b0e31753d49558fc8df65f0ee14e45e946058dd16c47e2163f
[INFO] running `"docker" "start" "-a" "a3c432e10ff726b0e31753d49558fc8df65f0ee14e45e946058dd16c47e2163f"`
[INFO] [stderr]    Compiling leb128 v0.2.1
[INFO] [stderr]    Compiling fallible-iterator v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.3.20
[INFO] [stderr]    Compiling gimli v0.11.0
[INFO] [stderr]    Compiling elfvars v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]   --> src/main.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fmt::{self, Debug};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/main.rs:279:55
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 if let gimli::AttributeValue::UnitRef(offset) = attr.value() {
[INFO] [stderr]     |                                                       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `"docker" "inspect" "a3c432e10ff726b0e31753d49558fc8df65f0ee14e45e946058dd16c47e2163f"`
[INFO] running `"docker" "rm" "-f" "a3c432e10ff726b0e31753d49558fc8df65f0ee14e45e946058dd16c47e2163f"`
[INFO] [stdout] a3c432e10ff726b0e31753d49558fc8df65f0ee14e45e946058dd16c47e2163f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/grissiom/elfvars:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fbd7e31d7464ab7f099860f4bad6f295bbb0dbea998c2ec8c0e1f0f26e2381d6
[INFO] running `"docker" "start" "-a" "fbd7e31d7464ab7f099860f4bad6f295bbb0dbea998c2ec8c0e1f0f26e2381d6"`
[INFO] [stderr]    Compiling elfvars v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Debug`
[INFO] [stderr]   --> src/main.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fmt::{self, Debug};
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/main.rs:279:55
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 if let gimli::AttributeValue::UnitRef(offset) = attr.value() {
[INFO] [stderr]     |                                                       ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "fbd7e31d7464ab7f099860f4bad6f295bbb0dbea998c2ec8c0e1f0f26e2381d6"`
[INFO] running `"docker" "rm" "-f" "fbd7e31d7464ab7f099860f4bad6f295bbb0dbea998c2ec8c0e1f0f26e2381d6"`
[INFO] [stdout] fbd7e31d7464ab7f099860f4bad6f295bbb0dbea998c2ec8c0e1f0f26e2381d6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/grissiom/elfvars:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9247a7ec2b31d782e92b1d063df0ba08006c67912c66733403a3ef27bbfece1b
[INFO] running `"docker" "start" "-a" "9247a7ec2b31d782e92b1d063df0ba08006c67912c66733403a3ef27bbfece1b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/elfvars-497ad427914d092b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9247a7ec2b31d782e92b1d063df0ba08006c67912c66733403a3ef27bbfece1b"`
[INFO] running `"docker" "rm" "-f" "9247a7ec2b31d782e92b1d063df0ba08006c67912c66733403a3ef27bbfece1b"`
[INFO] [stdout] 9247a7ec2b31d782e92b1d063df0ba08006c67912c66733403a3ef27bbfece1b